Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/60 of 15/80?"
4260 × 1580 is 21160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60×15/80 42/60×30/80 42/60×45/80 42/60×75/80
© everydaycalculation.com